School flat design hand drawing

Quick answer：

Flat design is a graphic design style that emphasizes simplicity and minimalism. It is often used in digital design and is characterized by bold, solid colors, clean lines, and a lack of shadows or textures. School hand-drawn flat design refers to the application of this style in educational settings, where it can be used for creating visually appealing and easy-to-understand educational materials, such as posters, presentations, or infographics.